Adaptive Exon 20 Insertion Mutant EGFR Inhibitors for Niche Environments

Publication ID: 24-11857513_0009_PTD
Published: October 28, 2025
Category:Specialized Variations & Niche Solutions

Legal Citation

pr1or.art Inc., “Adaptive Exon 20 Insertion Mutant EGFR Inhibitors for Niche Environments,” Published Technical Disclosure No. 24-11857513_0009_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857513_0009_PTD
This technical disclosure describes improvements that would be readily apparent to a Person Having Ordinary Skill In The Art (PHOSITA) when considered in combination with the foundational architecture disclosed in U.S. Patent No. 11,857,513.

Summary of the Inventive Concept

A specialized variation of selective inhibitors of exon 20 insertion mutant EGFR, tailored for treating lung cancer patients in high-altitude regions, disaster-stricken areas, remote locations, high-security facilities, and areas with limited medical resources.

Background and Problem Solved

The original patent disclosed a method for treating malignant lung tumors with EGFR having a mutation of exon 20 insertion. However, the patent did not address the specific challenges of treating patients in niche environments, such as high-altitude regions, disaster-stricken areas, remote locations, high-security facilities, and areas with limited medical resources. The new inventive concept adapts the original patent's technology to overcome these challenges.

Detailed Description of the Inventive Concept

The new inventive concept comprises a system, method, or portable kit for treating EGFR-mutated lung cancer in niche environments. The system includes a selective inhibitor of exon 20 insertion mutant EGFR, adapted for use in low-oxygen environments, high-security facilities, or remote locations. The method involves administering the inhibitor and providing emergency medical support infrastructure, telemedicine support, or manual guidance for administering the inhibitor in extreme weather conditions. The portable kit includes the inhibitor and a manual for administering the inhibitor in extreme weather conditions.

Novelty and Inventive Step

The new claims introduce novel and non-obvious variations of the original patent's technology, including adaptations for high-altitude regions, disaster-stricken areas, remote locations, high-security facilities, and areas with limited medical resources. These adaptations involve modifications to the delivery mechanism, emergency medical support infrastructure, telemedicine support, and manual guidance, which are not obvious from the original patent.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include using different selective inhibitors of exon 20 insertion mutant EGFR, modifying the delivery mechanism for use in other niche environments, or incorporating additional features for monitoring patient response or tracking inhibitor administration.

Potential Commercial Applications and Market

The inventive concept has significant commercial potential in the pharmaceutical industry, particularly in regions with high-altitude areas, disaster-prone zones, or limited medical resources. The target market includes pharmaceutical companies, healthcare providers, and government agencies focused on disaster relief and public health.

CPC Classifications

SectionClassGroup
A A61 A61K31/519
A A61 A61P35/00

Original Patent Information

Patent NumberUS 11,857,513
TitleSelective inhibitor of exon 20 insertion mutant EGFR
Assignee(s)TAIHO PHARMACEUTICAL CO., LTD.